NAICS 813312: Environment
This U.S. industry comprises establishments primarily engaged in promoting the preservation and protection of the environment and wildlife.  Establishments in this industry address issues, such as clean air and water; global warming; conserving and developing natural resources, including land, plant, water, and energy resources; and protecting and preserving wildlife and endangered species.  These organizations may solicit contributions and offer memberships to support these causes.

Illustrative Examples:

Animal rights organizations
Natural resource preservation organizations
Conservation advocacy organizations
Wildlife preservation organizations
Humane societies without animal shelters

ExioML sector: Membership organisation services n.e.c. (91)
Region: US | Year: 2022
Sector value added: 104066.038696 M EUR | Employment: 5761.81091661 thousand persons
Sector GHG emissions: 1894800785.9 kg CO2 eq | Energy carrier net total: 182606.488754 TJ | Carbon intensity: 0.018207676679566267

Company: Sierra Club
Sierra Club focuses on educating and enlisting humanity for protecting and restoring human and natural environment. Membership is approximately 1.4 million individuals. Sierra Club is organized with 62 national Chapters and has approximately 100 Groups supporting its efforts.